// Starts a server or client based on the command args
private void CheckArgsForConnectionInfo()
{
if (MDArguments.HasArg(ARG_STANDALONE))
{
StartStandalone();
}
// Expects -server=[port]
else if (MDArguments.HasArg(ARG_SERVER))
{
int Port = MDArguments.GetArgInt(ARG_SERVER);
StartServer(Port);
}
// Expects -client=[IPAddress:Port]
else if (MDArguments.HasArg(ARG_CLIENT))
{
string ClientArg = MDArguments.GetArg(ARG_CLIENT);
string[] HostPort = ClientArg.Split(":");
if (HostPort.Length == 2)
{
StartClient(HostPort[0], HostPort[1].ToInt());
}
else
{
MDLog.Error(LOG_CAT,
$"Failed to parse client arg {ClientArg}, expecting -{ARG_CLIENT}=[IPAddress:Port]");
}
}
}
/// <summary>
/// Spawn a network node
/// </summary>
/// <param name="ScenePath">The path to the scene to spawn</param>
/// <param name="Parent">The parent that the new instance will be a child of</param>
/// <param name="NodeName">The name of the new node</param>
/// <param name="UseRandomName">If set to true a random number will be added at the end of the node name</param>
/// <param name="NetworkMaster">The peer that should own this, default is server</param>
/// <param name="SpawnPos">Where the spawn this node</param>
/// <returns>The new node</returns>
public Node SpawnNetworkedNode(string ScenePath, Node Parent, string NodeName, bool UseRandomName = true,
int NetworkMaster = -1, Vector3?SpawnPos = null)
{
if (this.IsMaster() == false)
{
MDLog.Error(LOG_CAT, "Only server can spawn networked nodes");
return(null);
}
if (!Parent.IsInsideTree())
{
MDLog.Error(LOG_CAT, $"Parent [{Parent.Name}] is not inside the tree");
return(null);
}
NodeName = BuildNodeName(NodeName, UseRandomName);
int NodeMaster = NetworkMaster != -1 ? NetworkMaster : MDStatics.GetPeerId();
string ParentPath = Parent.GetPath();
Vector3 SpawnPosVal = SpawnPos.GetValueOrDefault();
if (MDStatics.IsNetworkActive())
{
Rpc(nameof(SpawnNodeScene), ScenePath, ParentPath, NodeName, NodeMaster, SpawnPosVal);
}
return(SpawnNodeScene(ScenePath, ParentPath, NodeName, NodeMaster, SpawnPosVal));
}
private void GenerateConfigFile(string Source, string Target)
{
string existingTarget = FindFile(Target);
if (existingTarget == "")
{
string SourceFilePath = FindFile(Source);
File SourceFile = new File();
SourceFile.Open(SourceFilePath, File.ModeFlags.Read);
string SourceText = SourceFile.GetAsText();
SourceFile.Close();
if (SourceText == "")
{
MDLog.Error(LOG_CAT, $"Failed to read config from {SourceFilePath}");
return;
}
string TargetFilePath = $"res://{Target}";
File TargetFile = new File();
TargetFile.Open(TargetFilePath, File.ModeFlags.Write);
TargetFile.StoreString(SourceText);
TargetFile.Close();
MDLog.Info(LOG_CAT, $"Copied config file from {SourceFilePath} to {TargetFilePath}");
}
else
{
MDLog.Info(LOG_CAT, $"Config file {existingTarget} already exists");
}
}
// Create and initialize the player object
private MDPlayerInfo GetOrCreatePlayerObject(int PeerId)
{
if (Players.ContainsKey(PeerId))
{
return(Players[PeerId]);
}
Type PlayerType = GameInstance.GetPlayerInfoType();
if (!MDStatics.IsSameOrSubclass(PlayerType, typeof(MDPlayerInfo)))
{
MDLog.Error(LOG_CAT, $"Provided player type [{PlayerType.Name}] is not a subclass of MDPlayerInfo");
return(null);
}
MDPlayerInfo Player = Activator.CreateInstance(PlayerType) as MDPlayerInfo;
Player.SetPeerId(PeerId);
Player.PauseMode = PauseModeEnum.Process;
AddChild(Player);
Players.Add(PeerId, Player);
OnPlayerInfoCreated(Player);
return(Player);
}
public bool StartServer(int Port, int MaxPlayers = DEFAULT_MAX_PLAYERS)
{
NetworkedMultiplayerENet peer = new NetworkedMultiplayerENet();
peer.Connect("peer_connected", this, nameof(ServerOnPeerConnected));
peer.Connect("peer_disconnected", this, nameof(ServerOnPeerDisconnected));
ConfigurePeer(peer);
Error error = peer.CreateServer(Port, MaxPlayers);
bool Success = error == Error.Ok;
MDLog.CLog(Success, LOG_CAT, MDLogLevel.Info,
$"Starting server on port {Port} with {MaxPlayers} max players.");
MDLog.CLog(!Success, LOG_CAT, MDLogLevel.Error, $"Failed to start server on port {Port}");
if (Success)
{
UPNPPort = Port;
SetNetworkPeer(peer);
ServerOnStarted();
}
else
{
MDLog.Error(LOG_CAT, "Failed to start server");
OnSessionFailedEvent();
}
return(Success);
}
/// <summary>
/// Creates an instance of the type based on the base class T
/// </summary>
/// <param name="Type">The type to instantiate</param>
/// <returns>The instance created or null if it fails</returns>
public static T CreateTypeInstance <T>(Type Type) where T : class
{
if (!IsSameOrSubclass(Type, typeof(T)))
{
MDLog.Error(LOG_CAT, $"Type [{Type.Name}] is not a subclass of [{typeof(T).Name}]");
return(null);
}
return(Activator.CreateInstance(Type) as T);
}
private void RemoveAndFreeNode(string NodePath)
{
Node NetworkedNode = GetNodeOrNull(NodePath);
if (NetworkedNode == null)
{
MDLog.Error(LOG_CAT, $"Could not find Node with path {NodePath}");
return;
}
OnNetworkNodeRemoved(NetworkedNode);
NetworkedNode.RemoveAndFree();
}
public static void PopulateBindNodes(Node Instance)
{
List <MemberInfo> Members = MDStatics.GetTypeMemberInfos(Instance);
foreach (MemberInfo Member in Members)
{
MDBindNode BindAttr = Member.GetCustomAttribute(typeof(MDBindNode)) as MDBindNode;
if (BindAttr == null)
{
continue;
}
Type MemberType = null;
FieldInfo Field = Member as FieldInfo;
PropertyInfo Property = Member as PropertyInfo;
if (Field != null)
{
MemberType = Field.FieldType;
}
else if (Property != null)
{
MemberType = Property.PropertyType;
}
if (!MDStatics.IsSameOrSubclass(MemberType, typeof(Node)))
{
MDLog.Error(LOG_CAT,
$"Not Node-Type field [{Member.Name}] on Node {Instance.Name} with Type [{Instance.GetType().Name}] was marked with [MDBindNode()]");
continue;
}
string PathToNode = BindAttr.GetNodePath(Member.Name);
Node BoundNode = FindNode(Instance, PathToNode);
if (BoundNode == null)
{
continue;
}
if (Field != null)
{
Field.SetValue(Instance, BoundNode);
}
else if (Property != null)
{
Property.SetValue(Instance, BoundNode);
}
}
}
/// <summary>
/// Get the value of this member
/// </summary>
/// <param name="member">The member</param>
/// <param name="Instance">The instance to get the value of</param>
/// <returns>The value of the member in the instance</returns>
public static object GetValue(this MemberInfo member, object Instance)
{
switch (member.MemberType)
{
case MemberTypes.Field:
return(((FieldInfo)member).GetValue(Instance));
case MemberTypes.Property:
return(((PropertyInfo)member).GetValue(Instance));
default:
MDLog.Error(LOG_CAT,
$"Input MemberInfo was of type {member.MemberType.ToString()}, it should be of type FieldInfo or PropertyInfo");
break;
}
return(null);
}
/// <summary>
/// Sets the value of this member
/// </summary>
/// <param name="member">The member</param>
/// <param name="Instance">The instance to set the value for</param>
/// <param name="Value">The value</param>
public static void SetValue(this MemberInfo member, object Instance, object Value)
{
switch (member.MemberType)
{
case MemberTypes.Field:
((FieldInfo)member).SetValue(Instance, Value);
break;
case MemberTypes.Property:
((PropertyInfo)member).SetValue(Instance, Value);
break;
default:
MDLog.Error(LOG_CAT,
$"Input MemberInfo was of type {member.MemberType.ToString()}, it should be of type FieldInfo or PropertyInfo");
break;
}
}
private Node SpawnNodeType(string NodeTypeString, string ParentPath, string NodeName, int NetworkMaster,
Vector3 SpawnPos)
{
MDLog.Log(LOG_CAT, MDLogLevel.Debug,
$"Spawning Node. Type: {NodeTypeString} ParentPath: {ParentPath} Name: {NodeName} Master: {NetworkMaster}");
Node Parent = GetNodeOrNull(ParentPath);
if (Parent == null)
{
MDLog.Error(LOG_CAT, $"Could not find Parent with path {ParentPath}");
return(null);
}
Type NodeType = Type.GetType(NodeTypeString);
if (NodeType == null)
{
MDLog.Error(LOG_CAT, $"Could not find Type {NodeTypeString}");
return(null);
}
Node NewNode = Activator.CreateInstance(NodeType) as Node;
NewNode.Name = NodeName;
NewNode.SetNetworkMaster(NetworkMaster);
NetworkedTypes.Add(NewNode, NodeTypeString);
OrderedNetworkedNodes.Add(NewNode);
Node2D NewNode2D = NewNode as Node2D;
Spatial NewNodeSpatial = NewNode as Spatial;
if (NewNode2D != null)
{
NewNode2D.Position = SpawnPos.To2D();
}
else if (NewNodeSpatial != null)
{
NewNodeSpatial.Translation = SpawnPos;
}
Parent.AddChild(NewNode);
OnNetworkNodeAdded(NewNode);
return(NewNode);
}
private Node SpawnNodeScene(string ScenePath, string ParentPath, string NodeName, int NetworkMaster,
Vector3 SpawnPos)
{
MDLog.Log(LOG_CAT, MDLogLevel.Debug,
$"Spawning Node. Scene: {ScenePath} ParentPath: {ParentPath} Name: {NodeName} Master: {NetworkMaster}");
Node Parent = GetNodeOrNull(ParentPath);
if (Parent == null)
{
MDLog.Error(LOG_CAT, $"Could not find Parent with path: {ParentPath}");
return(null);
}
PackedScene Scene = LoadScene(ScenePath);
if (Scene == null)
{
return(null);
}
Node NewNode = Scene.Instance();
NewNode.Name = NodeName;
NewNode.SetNetworkMaster(NetworkMaster);
NetworkedScenes.Add(NewNode, ScenePath);
OrderedNetworkedNodes.Add(NewNode);
Node2D NewNode2D = NewNode as Node2D;
Spatial NewNodeSpatial = NewNode as Spatial;
if (NewNode2D != null)
{
NewNode2D.Position = SpawnPos.To2D();
}
else if (NewNodeSpatial != null)
{
NewNodeSpatial.Translation = SpawnPos;
}
Parent.AddChild(NewNode);
OnNetworkNodeAdded(NewNode);
return(NewNode);
}
private static File GetHistoryFile()
{
if (CreateHistoryDirectoryIfNotExists(HISTORY_DIR))
{
string FullFilePath = HISTORY_DIR + HISTORY_FILE;
File CmdFile = new File();
if (!CmdFile.FileExists(FullFilePath))
{
CmdFile.Open(FullFilePath, File.ModeFlags.Write);
CmdFile.Close();
}
CmdFile.Open(FullFilePath, File.ModeFlags.ReadWrite);
return(CmdFile);
}
MDLog.Error(LOG_CAT, "Failed to create command history directory.");
return(null);
}
public override void Replicate(int JoinInProgressPeerId, bool IsIntervalReplicationTime)
{
IMDCommandReplicator CommandReplicator = GetCommandReplicator();
Node Instance = NodeRef.GetRef() as Node;
if (CommandReplicator == null)
{
MDLog.Error(LOG_CAT, $"Command replicator is null for member {Instance.GetPath()}#{Member.Name}");
return;
}
if ((GetReplicatedType() == MDReplicatedType.Interval && IsIntervalReplicationTime) || (GetReplicatedType() == MDReplicatedType.OnChange))
{
// We do a check here to see if anything has updated
GetCommandReplicator().MDShouldBeReplicated();
List <object[]> commands = GetCommandReplicator().MDGetCommands();
if (commands.Count > 0)
{
// Do replication to all except joining peer if we got one
commands.ForEach(value =>
{
foreach (int PeerId in GameSession.GetAllPeerIds())
{
if (PeerId != JoinInProgressPeerId && PeerId != MDStatics.GetPeerId())
{
ReplicateCommandToPeer(value, PeerId);
}
}
});
CheckCallLocalOnChangeCallback();
}
}
if (JoinInProgressPeerId != -1)
{
// Replicate current data to joining peer and send current command we are at
List <object[]> newPlayerCommands = CommandReplicator.MDGetCommandsForNewPlayer();
newPlayerCommands.ForEach(value => ReplicateCommandToPeer(value, JoinInProgressPeerId));
}
}
/// <summary>
/// Gets the underlying type of a member
/// </summary>
/// <param name="member">The member to find the type for</param>
/// <returns>The underlying type</returns>
public static Type GetUnderlyingType(this MemberInfo member)
{
switch (member.MemberType)
{
case MemberTypes.Event:
return(((EventInfo)member).EventHandlerType);
case MemberTypes.Field:
return(((FieldInfo)member).FieldType);
case MemberTypes.Method:
return(((MethodInfo)member).ReturnType);
case MemberTypes.Property:
return(((PropertyInfo)member).PropertyType);
default:
MDLog.Error(LOG_CAT,
$"Input MemberInfo was of type {member.MemberType.ToString()}, it should be of type EventInfo, FieldInfo, MethodInfo, or PropertyInfo");
return(null);
}
}
/// <summary>
/// Spawn a network node
/// </summary>
/// <param name="NodeType">The type of node to spawn</param>
/// <param name="Parent">The parent that the new instance will be a child of</param>
/// <param name="NodeName">The name of the new node</param>
/// <param name="UseRandomName">If set to true a random number will be added at the end of the node name</param>
/// <param name="NetworkMaster">The peer that should own this, default is server</param>
/// <param name="SpawnPos">Where the spawn this node</param>
/// <returns>The new node</returns>
public Node SpawnNetworkedNode(Type NodeType, Node Parent, string NodeName, bool UseRandomName = true,
int NetworkMaster = -1, Vector3?SpawnPos = null)
{
if (this.IsMaster() == false)
{
MDLog.Error(LOG_CAT, "Only server can spawn networked nodes");
return(null);
}
if (!MDStatics.IsSameOrSubclass(NodeType, typeof(Node)))
{
MDLog.Error(LOG_CAT, $"Provided type [{NodeType.Name}] is not a subclass of Node");
return(null);
}
if (!Parent.IsInsideTree())
{
MDLog.Error(LOG_CAT, $"Parent [{Parent.Name}] is not inside the tree");
return(null);
}
NodeName = BuildNodeName(NodeName, UseRandomName);
int NodeMaster = NetworkMaster != -1 ? NetworkMaster : MDStatics.GetPeerId();
string NodeTypeString = NodeType.AssemblyQualifiedName;
string ParentPath = Parent.GetPath();
Vector3 SpawnPosVal = SpawnPos.GetValueOrDefault();
if (MDStatics.IsNetworkActive())
{
Rpc(nameof(SpawnNodeType), NodeTypeString, ParentPath, NodeName, NodeMaster, SpawnPosVal);
}
return(SpawnNodeType(NodeTypeString, ParentPath, NodeName, NodeMaster, SpawnPosVal));
}
/// <summary>
/// Call a registered command via its name
/// </summary>
/// <param name="Command">The command to call</param>
/// <returns>True if executed, false if not</returns>
public static bool InvokeCommand(string Command)
{
string[] Args = Command.Split(" ", false);
if (Args.Length == 0)
{
// empty string
return(false);
}
MDLog.Info(LOG_CAT, Command);
AddCommandToHistory(Command);
string CmdName = Args[0].ToLower();
if (!_commandMap.ContainsKey(CmdName))
{
MDLog.Error(LOG_CAT, $"Command not found: [{Command}]");
return(false);
}
CommandInfo CmdInfo = _commandMap[CmdName];
ParameterInfo[] Params = CmdInfo.Method.GetParameters();
object[] ParamArray;
// Should we use the default args?
if (Params.Length > 0 && Args.Length == 1 && CmdInfo.DefaultArgs.Length == Params.Length)
{
ParamArray = CmdInfo.DefaultArgs;
}
else
{
if (Args.Length - 1 != Params.Length)
{
// Wrong number of arguments
return(false);
}
ParamArray = new object[Args.Length - 1];
Array.Copy(Args, 1, ParamArray, 0, ParamArray.Length);
}
// Convert the strings to the appropriate type
List <object> CmdParams = new List <object>();
int ArgIndex = 0;
foreach (ParameterInfo ParamInfo in Params)
{
if (ParamInfo.ParameterType.IsEnum)
{
object Param = Enum.Parse(ParamInfo.ParameterType, ParamArray[ArgIndex++] as string, true);
CmdParams.Add(Param);
}
else
{
object Param = Convert.ChangeType(ParamArray[ArgIndex++], ParamInfo.ParameterType);
CmdParams.Add(Param);
}
}
CmdInfo.Method.Invoke(CmdInfo.Instance, CmdParams.ToArray());
return(true);
}
private void ClientOnServerDisconnect()
{
MDLog.Error(LOG_CAT, "Client was disconnected from server");
Disconnect();
}
private void ClientOnFailedToConnect()
{
MDLog.Error(LOG_CAT, "Client failed to connect to server");
OnSessionFailedEvent();
}